From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12805 invoked by alias); 7 Feb 2011 16:20:54 -0000 Received: (qmail 12576 invoked by uid 22791); 7 Feb 2011 16:20:53 -0000 X-SWARE-Spam-Status: No, hits=-6.8 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,TW_VP,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 07 Feb 2011 16:20:48 +0000 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p17GKdBG027077 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 7 Feb 2011 11:20:39 -0500 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p17GKdDi024242; Mon, 7 Feb 2011 11:20:39 -0500 Received: from opsy.redhat.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id p17GKche024252; Mon, 7 Feb 2011 11:20:38 -0500 Received: by opsy.redhat.com (Postfix, from userid 500) id 17E7C378326; Mon, 7 Feb 2011 09:20:37 -0700 (MST) From: Tom Tromey To: Pedro Alves Cc: gdb-patches@sourceware.org Subject: Re: [unavailable values part 1, 17/17] unavailable vptr / virtual base offset References: <201102071435.55786.pedro@codesourcery.com> Date: Mon, 07 Feb 2011 16:20:00 -0000 In-Reply-To: <201102071435.55786.pedro@codesourcery.com> (Pedro Alves's message of "Mon, 7 Feb 2011 14:35:55 +0000") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2011-02/txt/msg00163.txt.bz2 >>>>> "Pedro" == Pedro Alves writes: Pedro> The patch adds a new ERROR_NOT_AVAILABLE error, thrown whenever Pedro> something wants to get at a value's contents with value_contents() Pedro> and makes baseclass_offset callers that care to handle errors Pedro> getting at the base class offset gracefully catch the error. This seems like something we could meaningfully expose to Python. That is, we could expose this as a separate exception class, and update gdb.Value to throw it and to expose the needed availability API. Could you file a bug report about this? Unless you are adding this later, that is. Tom